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Finding the Fourth Proportional to 81,773.52, 112,841.80 and 45,968.92

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Solution

The fourth proportional to 81,773.52, 112,841.80 and 45,968.92 is: 63,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,773.52 : 112,841.80 = 45,968.92 : x
  2. Step 2: Convert to fraction form
    81,773.52/112,841.80 = 45,968.92/x
  3. Step 3: Cross multiply
    81,773.52x = 112,841.80 × 45,968.92
  4. Step 4: Simplify right side
    81,773.52x = 5,187,215,676.86
  5. Step 5: Solve for x
    x = 5,187,215,676.86/81,773.52
  6. Step 6: Final answer
    x = 63,433.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.